Manifolding attachment for typewriters



M. L. COSSITT.

MANTFOLDING ATTACHMENT FOR TYPEWRITERS.

APPLICATION FILED JUNE I3. 1921.

LQUKQZMQ Pat-gated Feb. 28, 1922.

IN V EN TOR A TTORNE YS mm STATES PATENT oFFicE.

MALCOLM I. COSSITT, CF ALAMEDA, CALIFORNIA, ASBIGNOB TO MANIFOLD IMPRESSIONS CORPORATION, OF CARSON CITY, NEVADA, A. CORPORATION or NEVADA.

umn ormme ATTACHMENT roe rrrnwarrmzs.

, i To all whom it may concern.-

a citizen of the United States, iit siding a Alameda, in the county of Alameda and State of California, have invented .ceifttain new and useful Improvements in Mani dlding Attachments for Typewriters, of which the following is a specification.

'My invention relates to that class of attachments for typewriters and other typing machines, such, for example, as calculating machines and the like, in which a'manifolding ribbon is so associated with the machine as to be readily moved into and out of functional position.

The object of my invention is to provide .a manifolding attachment of this class,

simple in constructiomeffective in operation,

. and which can be readily and compactly applied to the machine without appreciable changes or alterations therein.

Tothis end my invention consists in the novel manifolding attachment which I shall now fully describe by reference to the accompanying drawings, in which- Ff l is a top plan view, broken, of my attac iment, showing it applied to the platencarriage of a machine, all the manifolding- ,slided has the rack 8, as above stated.

ribbons being shown in functional position.

Fig. 2 is a sectional or end view on the line 2-2 of Fig. 1, looking in the direction of the arrows; the dotted lines showing the thrown-back position of the attachment.

Fig. 3 is a section on theline 3-3 of Fig. 1, looking in the direction of the arrows.

Fig. 4 is a section on. the line 4-4 of Fig. 3.

Fig. 5 is a detail showing the detachable clip-connection of the. manifolding ribbon with the carrying slide.

, For'the sake of a clear understanding, I shall first describe my attachment and then describe-its application to a machine and its operation in connection therewith.

1 is a standard having a foot 1'. There are two of these standards; and they are connected by a rod 2.

- 3 's an arcuate housing member. There aretwo of these, one being pivotally mounted .or jonrnaledat its rear ortion upon the rod 2 near one,end thereof as shown at 2,

Specification of Letters Patent. Patented Feb, 28, 1922, Applicationjled June 13, 1921. Serial No. 477,082.

the other being correspondingly journaled on the rod near its other end- Within each housing member is slidably fitted a correspondingly arcuate ribbon-carrying slide 4. In practice, there will be a pluralit of these slides. I have here shown four. hey lie directly one above and upon the other, as seen in Fig. 4, and haveoverlapping angular portions the tops of which are :formed with rack teeth 8- Figs. 1 and 4. A handle 5 is formed .with or fitted to each slide, and projects from the housing, so that it may be conveniently'grasped, in order to move the slide.' I i The forward end of each slide has an extremity 4'-Figs. 2and 3, adapted to detachably receive a'clip 6 fitted to the end of a strip, section, or length of manifoldingribbon 7. v The other end of each ribbon is similarly detachably connected with the extremity of the corresponding slide in the other housing member, so that the ribbons extend in parallel relation, as seen in Fig. 1, the full length between the housed, slides at each end of the device, and are adapted for independent even and uniform movement, in an arcuate path.

To secure this uniform movement, each 9 is a tubular casing fixed in bracket membore 9' secured to or formed with the rear portions of the arcuate housing members 8. Within this casing 9 is carried a series of concentrically nested, independently rota table shafts 10, each carrying at each end a pinion 11, with which the racks 8 of the corresponding ribbon connected pair of slides- 4 engage. See Figs. 1 and 4.

The application of my attachment to a typing-machine will now be'described.

In Figs. 1 and 2-12 indicates a part of the frame of the platen-carriage; 13 is the platen; T4 the platen shaft; 15 the platen shaft bearings, and 16 the thumb wheel'for turning the platen 17, in Fig. 1, is the usual main'inkingribbon of the machine and 18 is the index ointer. 19 is the paper guide-apron back 0 the platen. e

The usual top members of the platen-shaft bearings 15. are removed by taking out the screws, and in place of these top member:

rlucing to simplicity housing: members about the feet 1 of the standards 1 cl my clinchment ore su ti'tutetl end are secured by ti e screws arcls; lies pernliel won and shove sntl heel; oi the. platen. lhe housing members 3 when thrown clown, follow substantially the arc of the I It will nor; be seen that by the movemenn of the slides 4;- within said housings, the mam-folding ribbons 7 may be carried; from an upper position, in which they lie in nonfunctional position along and above the upper part of the platen, clown to their func tionel position in the line of type-impact, and back As their path of movement is substantially or approximately concentric witli the curvature of the platen, clue to the ercncte housings in which their carrying: slides are mounted. the Whole attachment may be applied in close relation to the platen, thereby securing compactness, even in the non-lunctionul position of the ribbons. curl also con- 01 constructioi'n in that inorc or less complc; provision need not be made for an eccentric or distorted path to secure the eccurate nosition the munifolrliug ribbon with. reilelion to the main ribbons end the incier pointer, when said rnanifoltlinp; ribbons reach their lunc tionul location in the line of type impure.

i i hcn, hoflevcr, it is necessary to change the ribbons, their detachable clips can be conveniently reached. by throwing up the their pivotal connections on the rod 2, thereby elevating the ribbons a. distance above the platen, as shown by the dotted lines in 2.

is will be specially noted by reference to Fig. 1 that the housing members 3 extend from the rod 2 at an angle departing slightly from a, right angle, so that the two members are relatively (liver-gent. This is for the purpose of providing for the automatic tensioning of the mnnifoldiug ribbons when in functional position. As the ribhonslid'es move clown in their divergent housing members in which they are nideol they are themselves caused to more in divergent oeths with respect to those at opposite on s, so that while not under particular tension in their upper or non-functional positions, the ribbons, upon reaching their lower or functionnl positions in the line of type impact are placed and held under proper tension.

The operation of the attachment may now be briefly described. Ordinarily, when no duplicetecopy is required, all the manifoldingr ribbons lie above and close to the platen and are out of the way. if one duplicate is to he made, one of the handles 5 is grasped end pulled down, thereby cerrying one the ribbons down with 1 '"li'orrn rhmreni at each encl, soici ribbon lint-ring all} goth in front the plot/en enrl no g to r. emcee he rorl 2 connecting" the siznndrelatively "ins-revere tween the pope? sheets in the machine, until it reaches its position in the line type iin gcct. more copies are to be made, more ribbons are pulled clown. Convereel any one or more rihh-ons may be rnise l again.

l. A mnnifolding nttschnient ifor type writers and the like, comprising apeir of ercuote housing members; means for securing said members to the platen carriage of the machine at each end of the platen; an arcuete slide fitted Within and guided by each housing member; menus connecting said slides for eiiecting their movement in unison; and e manifolding ribbon carried by and between said slides and odnptecl by their movement to travel in an ercuute peth about thepleten from end to e fllIlLillOlllll position in the lineof type-impact.

2. A muniiolding' attachment for type writers and the like, comprising a pair of arc'nate housing members; means for securing said members to the machine at ench end of the platen; an orcuetc slirlc litterl within and guided. by each housing member means connecting said slirles for eii'ecting; their movement in unison; u muniioldinn; ribbon carried by and between said slirlcs. oiicptetl by their movement to truvelin on arc-note path about the platen from and to a functional position in the line oi type-impact; anal means for onto meticelly tcnsioningz' said ribbon during its travel to said position.

3. A munifolcling ottoclunent for typewriters curl the like. comprising 24. pair of orcuute housing members; means forecouring; said members to the plot/en cerriege of the machine at each eml oi the platen; en art-unto slide titted within and guided'by each housing member; means connecting said slides for effecting their movement in unison; a niuni'fohling ribbon carried by and between said slides, adopted by their movement to travel in an urcunte path about the platen from and to a functional osition in the line of typeimpact; enrl means for causing the slides to more in relatively divergent paths towards said position whereby the ribbon is eutomuticslly pieced untlcr tension when in said position.

A menifolclingz attachment for typethe platen carriage of r CQPY writers and the lilac, comprisingapoirof arcuetc housing members secured to the platen carriage of the machine one at each end of the platen, and extending forwardly in divergent planes with relation to each other; an urcuate slide fitted within and guided in divergent forward paths by each housin member; means connecting said slides ror cfi'ecting choir movement in unison; and o meni'lfoitlingg ribbon carried by and between said siiries, nrleptcri by their travel in on. ercuotc role/lively increment to I cngguinr pnth show; the piston from sntl to n functional positionunder tension in the line bers; a pinion at each end of said rotatable member, engaging the rack of the corresponding slide, whereby said slides movein unison and a manifolding ribbon carried by and between said slides adapted by their movement to travelin an a'rcuate path about. the platen from and to a functional position in the line of type-impact. 6. A manifolding attachment; for writers and the like, standards adapted to typecomprising a pair 0t be mounted on the platen carriage of the machineat each end of the platen; a rod extending between said standards; a pair of arcuate housing mom-'- bers pivotally mounted upon saidrod, near each end; means connecting said housing members whercb they may be moved in unison about their .,pivotal connections; an arcuate slide "fitted within and guided by each housing member; means for effecting at each end of the platen; an

said slides, adapted by their sliding movement to travel in an arcuate path about the platen from and to a functional position in the linebf type-impact.

7. manifolding attachment for typewriters and thelike, comprising a pair of arcuate housing members; means for secui sing said members to the platen-carriage of the machine at each end of the platen a plurality of independent parallel, arcuate slides fitted within and guided by each housing member, each of said slides having a rack; a nested series ofconcentric independently rotatable members carried by and extending between said housing-members;

a pinion at eachend of each of said rotatable -members, engaging the rack ofcorrespond i ingshdeswhereby each pair of correspond.

ingslidesis adapted to move in unison and independently of other corresponding pairs; and amanifolding ribbon carried by and be tween eech air of corresponding slides adapted by die movement of said pair to travel in an arcuate path about the platen from and to a functional position in the line of type impact.

In testimony whereof I name to this s ecification.

' KiALCO-LM L. COSSITT.

have signed my 

